Finding the Fourth Proportional to 156,149,894.08, 215,487,414.84 and 86,536,459.36
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Solution
The fourth proportional to 156,149,894.08, 215,487,414.84 and 86,536,459.36 is: 119,420,624.82
Step by Step Solution
- Step 1: Write the proportion equation
156,149,894.08 : 215,487,414.84 = 86,536,459.36 : x - Step 2: Convert to fraction form
156,149,894.08/215,487,414.84 = 86,536,459.36/x - Step 3: Cross multiply
156,149,894.08x = 215,487,414.84 × 86,536,459.36 - Step 4: Simplify right side
156,149,894.08x = 18,647,517,916,893,120 - Step 5: Solve for x
x = 18,647,517,916,893,120/156,149,894.08 - Step 6: Final answer
x = 119,420,624.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.